全自动用kindeditor文本编辑器实现后台产品描述图片的增删改(投点分给 thank you)

详细分析在代码上有。。有疑问、问题的可以跟贴问。。。。

public class ProductAction extends BaseAction {

		// 添加商品
	public String addproduct() throws Exception {
		// TODO Auto-generated method stub

		Product p = new Product(name.trim(), brane, price, marketprice, weight,
				size, style00, material, colordesc, situation, big, style01,
				logo, age, struct, element, desc, total);
		
		this.adminService.saveOrUpdate(p);
		File dir = new File(ServletActionContext.getRequest().getRealPath(
				"/productimg"));
		if (!dir.exists()) {
			dir.mkdir();
		}
		File dst = null;
		boolean b = false;
		// 形象照
		if (img != null) {

			dst = new File(dir.getAbsolutePath() + File.separator + p.getId()
					+ ".jpg");
			// 图像缩咯
			if ("0".equals(this.model)) {
				b = this.resize_image(img, dst, 178, 178);
			} else {
				b = this.resize_image(img, dst, 180, 300);
			}
			if (b)
				p.setImg(dst.getName());
		}

		// 产口图片
		String temp = "";
		if (productimg != null) {

			for (int i = 0; i < productimg.length; i++) {
				// 图像压缩
				if (productimg[i] != null) {
					dst = new File(dir.getAbsolutePath() + File.separator
							+ "p_" + p.getId() + new Date().getTime() + i
							+ ".jpg");
					// 原图
					this.resize_image(productimg[i], dst);
					temp += dst.getName() + "-";
					// 小图 用s_标记 在原图的文件名上加上s
					dst = new File(dir.getAbsolutePath() + File.separator
							+ "s_" + dst.getName());
					this.geometric_image(productimg[i], dst, 80, 80);
				}

			}
			p.setProductimg(temp);

		}

		// 颜色图片
		temp = "";
		if (colorimg != null) {

			for (int i = 0; i < colorimg.length; i++) {
				// 图像压缩
				if (colorimg[i] != null) {
					dst = new File(dir.getAbsolutePath() + File.separator
							+ "c_" + p.getId() + new Date().getTime() + i
							+ ".jpg");
					// 原图
					this.resize_image(colorimg[i], dst);
					temp += dst.getName() + "-";
					// 小图
					dst = new File(dir.getAbsolutePath() + File.separator
							+ "s_" + dst.getName());
					this.geometric_image(colorimg[i], dst, 80, 80);
				}
			}
			p.setColorimg(temp);

		}
		this.adminService.saveOrUpdate(p);
		this.adminService
				.jsp_to_html("http://www.xinbw.com/toproduct.action?id="
						+ p.getId(), "producthtml" + File.separator + "pshow_"
						+ p.getId() + ".html", ServletActionContext
						.getRequest());

//删除产品描述图片
		if (!this.isNull(imgstr)) {
			if (p.getDesc() == null) {
				p.setDesc("");
			}
			String arr[] = imgstr.split("-");
			for (int i = 0; i < arr.length; i++) {

				if (p.getDesc().indexOf(arr[i]) == -1) {

					// 删除图片
					File ft = new File(
							ServletActionContext.getRequest().getRealPath(
									"descimg" + arr[i].split("descimg")[1]));
					if (ft.exists()) {
						ft.delete();
						// System.out.println("-delete-->" + ft.getName());
					}
				}

			}
		}	// System.out.println("-->" + model);
		this.msg = "商品添加成功!";
		return super.execute();
	}

		// 更新商品
	public String updateProduct() throws Exception {
		// TODO Auto-generated method stub

		product = (Product) this.adminService.get(Product.class, id);
		//原来的商品描述图片
		String text = product.getDesc();
		List list = new ArrayList();
		if (text != null) {
			String temp[] = text.split("descimg/");
			for (int k = 0; k < temp.length; k++) {
				if (temp[k].indexOf("jpg") != -1) {

					// System.out.println("---->"+temp[k]);
					list.add(temp[k].substring(0, temp[k].indexOf("jpg"))
							+ "jpg");
					// System.out.println("---->"+temp[k]+".jpg");
				}

			}

		}
		this.adminService.saveOrUpdate(product);
		File dir = new File(ServletActionContext.getRequest().getRealPath(
				"/productimg"));
		if (!dir.exists()) {
			dir.mkdir();
		}
		File dst = null;
		boolean b = false;
		// 形象照
		if (img != null) {

			dst = new File(dir.getAbsolutePath() + File.separator
					+ product.getId() + ".jpg");
			// 图像缩咯
			// 图像缩咯
			if ("0".equals(this.model)) {
				b = this.resize_image(img, dst, 178, 178);
			} else {
				b = this.resize_image(img, dst, 180, 300);
			}
			if (b)
				product.setImg(dst.getName());
		}

		// 产口图片
		String temp = "";
		if (productimg != null) {

			for (int i = 0; i < productimg.length; i++) {
				// 图像压缩
				if (productimg[i] != null) {
					dst = new File(dir.getAbsolutePath() + File.separator
							+ "p_" + product.getId() + new Date().getTime() + i
							+ ".jpg");
					// 原图
					this.resize_image(productimg[i], dst);
					temp += dst.getName() + "-";
					// 小图 用s_标记
					dst = new File(dir.getAbsolutePath() + File.separator
							+ "s_" + dst.getName());
					this.geometric_image(productimg[i], dst, 80, 80);
				}

			}
			product.setProductimg(product.getProductimg() + temp);

		}

		// 颜色图片
		temp = "";
		if (colorimg != null) {

			for (int i = 0; i < colorimg.length; i++) {
				// 图像压缩
				if (colorimg[i] != null) {
					dst = new File(dir.getAbsolutePath() + File.separator
							+ "c_" + product.getId() + new Date().getTime() + i
							+ ".jpg");
					// 原图
					this.resize_image(colorimg[i], dst);
					temp += dst.getName() + "-";
					// 小图
					dst = new File(dir.getAbsolutePath() + File.separator
							+ "s_" + dst.getName());
					this.geometric_image(colorimg[i], dst, 80, 80);
				}
			}
			product.setColorimg(product.getColorimg() + temp);

		}
		// System.out.println("-->"+product.getProductimg()+"---->"+product.getColorimg());
		this.adminService.saveOrUpdate(product);
		this.adminService.jsp_to_html(
				"http://www.xinbw.com/toproduct.action?id=" + product.getId(),
				"producthtml/pshow_" + product.getId() + ".html",
				ServletActionContext.getRequest());
		if (!this.isNull(imgstr)) {
			if (product.getDesc() == null) {
				product.setDesc("");
			}
			String arr[] = imgstr.split("-");
			for (int i = 0; i < arr.length; i++) {

				if (product.getDesc().indexOf(arr[i]) == -1) {

					// 删除图片
					File ft = new File(
							ServletActionContext.getRequest().getRealPath(
									"descimg" + arr[i].split("descimg")[1]));

					if (ft.exists()) {
						ft.delete();

					}
				}

			}
		}

		//新的商品描述图片
		text = product.getDesc();
		List<String> list_ = new ArrayList();
		if (text != null) {
			String str[] = text.split("descimg/");
			for (int k = 0; k < str.length; k++) {
				if (str[k].indexOf("jpg") != -1) {

					// System.out.println("---->"+str[k]);
					list_.add(str[k].substring(0, str[k].indexOf("jpg"))
							+ "jpg");
					// System.out.println("---->"+temp[k]+".jpg");
				}

			}

		}

		// 一比较删除相应的图片//删除产品描述图片
		for (int i = 0; i < list.size(); i++) {

			String jpg = (String) list.get(i);
			if (!list_.contains(jpg)) {
				// 删除图片
				File ft = new File(ServletActionContext.getRequest()
						.getRealPath("descimg/" + jpg));
				if (ft.exists()) {
					ft.delete();
					// System.out.println("------------>"+ft.getName());

				}

			}
		}
		this.date = new Date().getTime();
		this.msg = "商品修改成功!";
		return "updateProduct";
	}

		/**
	 * 图像压缩
	 * 
	 * @param fi大图文件
	 * @param fo将要转换出的小图文件
	 */
	public boolean resize_image(File fi, File fo) {
		try {
			// File fi = new File("E:/3.jpg"); // 大图文件
			// File fo = new File("E:/333.jpg"); // 将要转换出的小图文件

			// AffineTransform transform = new AffineTransform();
			BufferedImage bis = ImageIO.read(fi);

			int w = bis.getWidth();
			// System.out.println(w);
			int h = bis.getHeight();
			// System.out.println(h);
			// double scale = (double) w / h;
			int nw = w;
			int nh = h;

			BufferedImage tag = new BufferedImage(nw, nh,
					BufferedImage.TYPE_INT_RGB);
			tag.getGraphics().drawImage(bis, 0, 0, nw, nh, null); // 绘制缩小后的图
			// 转换为32*32 jpg格式
			FileOutputStream newimage = new FileOutputStream(fo); // 输出到文件流
			JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(newimage);
			encoder.encode(tag);
			newimage.close();
			return true;
		} catch (Exception e) {
			e.printStackTrace();
			return false;
		}

	}

	/**
	 * 图像的缩略
	 * 
	 * 
	 * width 输出图片大小 height
	 * 
	 * @param fi大图文件
	 * @param fo将要转换出的小图文件
	 */
	public boolean resize_image(File fi, File fo, int width, int height) {
		try {

			BufferedImage bis = ImageIO.read(fi);

			int w = bis.getWidth();

			int h = bis.getHeight();

			int nw = width;
			int nh = height;

			BufferedImage tag = new BufferedImage(nw, nh,
					BufferedImage.TYPE_INT_RGB);
			tag.getGraphics().drawImage(bis, 0, 0, nw, nh, null); // 绘制缩小后的图
			// 转换为32*32 jpg格式
			FileOutputStream newimage = new FileOutputStream(fo); // 输出到文件流
			JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(newimage);
			encoder.encode(tag);
			newimage.close();
			return true;
		} catch (Exception e) {
			e.printStackTrace();
			return false;
		}

	}

	/**
	 * 图像的等比缩略
	 * 
	 * 
	 * width 输出图片大小 height
	 * 
	 * @param fi大图文件
	 * @param fo将要转换出的小图文件
	 */
	public boolean geometric_image(File fi, File fo, int width, int height) {
		try {

			BufferedImage bis = ImageIO.read(fi);

			int w = bis.getWidth();

			int h = bis.getHeight();

			int nw = w;
			int nh = h;
			if (w > width) {
				nw = width;
				nh = nw * h / w;
				if (nh > height) {

					nh = height;
					nw = nh * w / h;
				}
			} else if (h > height) {

				nh = height;
				nw = nh * w / h;
				if (nw > width) {

					nw = width;
					nh = nw * h / w;
				}
			}

			BufferedImage tag = new BufferedImage(nw, nh,
					BufferedImage.TYPE_INT_RGB);
			tag.getGraphics().drawImage(bis, 0, 0, nw, nh, null); // 绘制缩小后的图
			// 转换为32*32 jpg格式
			FileOutputStream newimage = new FileOutputStream(fo); // 输出到文件流
			JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(newimage);
			encoder.encode(tag);
			newimage.close();
			return true;
		} catch (Exception e) {
			e.printStackTrace();
			return false;
		}

	}



}

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